shell_exec() — internals

shell_exec() — internals

Where it lives

• Signature: src/builtins/system/shell_exec.rs
• Lowering: src/codegen/lower_inst/builtins/system.rs:698 (lower_shell_exec)
• Function symbol: lower_shell_exec()

Lowering notes

• Lowers shell_exec(command) by capturing shell stdout through the shared runtime helper.

Runtime helpers

No direct __rt_* helpers captured — the lowering is inlined or routes through another builtin.

Signature summary

function shell_exec(string $command): string

What the type checker enforces

• Arity: takes exactly 1 argument.

Eval interpreter (magician)

• Declaration: crates/elephc-magician/src/interpreter/builtins/network_env/shell_exec.rs (eval_builtin!)
• Dispatch hooks: direct, values

Cross-references

• User reference for shell_exec()